TDBSCAN: Spatiotemporal Density Clustering

Trajectory data generated from personal or vehicle use of GPS devices can be utilized for travel analysis and traffic information service, whereas trip segmentation is a key step toward the semantic labelling of the trajectories. Two issues are difficult to deal with by the traditional density-based algorithms, i. e. multiple stops at the same spatial location with different visit times and non-consecutive point sequence for stop definition due to signal drifting... (read more)

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